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Optical rotatory power near a cholesteric–smectic‐A transition

 

作者: Paul E. Sokol,   John T. Ho,  

 

期刊: Applied Physics Letters  （AIP Available online 1977）
卷期: Volume 31, issue 8  

页码: 487-488

 

ISSN:0003-6951

 

年代: 1977

 

DOI:10.1063/1.89751

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A sensitive temperature dependence of the optical rotatory power of a cholesteric liquid‐crystal film in the vicinity of the smectic‐A phase is reported. The results are consistent with the pretransitional unwinding of the helical structure. The use of the effect in thermometry is discussed.

 

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